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AISI 422 Stainless Steel vs. EN 1.0591 Cast Steel

Both AISI 422 stainless steel and EN 1.0591 cast steel are iron alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is EN 1.0591 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
19
Fatigue Strength, MPa 410 to 500
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
620
Tensile Strength: Yield (Proof), MPa 670 to 870
360

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1470
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.7
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
22
Strength to Weight: Bending, points 26 to 30
20
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33 to 39
20

Alloy Composition

Carbon (C), % 0.2 to 0.25
0
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 81.9 to 85.8
99.935 to 100
Manganese (Mn), % 0.5 to 1.0
0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0